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<FONT color="green">001</FONT>    /*<a name="line.1"></a>
<FONT color="green">002</FONT>     * Copyright 2008 the original author or authors.<a name="line.2"></a>
<FONT color="green">003</FONT>     *<a name="line.3"></a>
<FONT color="green">004</FONT>     * Licensed under the Apache License, Version 2.0 (the "License");<a name="line.4"></a>
<FONT color="green">005</FONT>     * you may not use this file except in compliance with the License.<a name="line.5"></a>
<FONT color="green">006</FONT>     * You may obtain a copy of the License at<a name="line.6"></a>
<FONT color="green">007</FONT>     *<a name="line.7"></a>
<FONT color="green">008</FONT>     *      http://www.apache.org/licenses/LICENSE-2.0<a name="line.8"></a>
<FONT color="green">009</FONT>     *<a name="line.9"></a>
<FONT color="green">010</FONT>     * Unless required by applicable law or agreed to in writing, software<a name="line.10"></a>
<FONT color="green">011</FONT>     * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.11"></a>
<FONT color="green">012</FONT>     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.12"></a>
<FONT color="green">013</FONT>     * See the License for the specific language governing permissions and<a name="line.13"></a>
<FONT color="green">014</FONT>     * limitations under the License.<a name="line.14"></a>
<FONT color="green">015</FONT>     */<a name="line.15"></a>
<FONT color="green">016</FONT>    package org.codehaus.groovy.grails.plugins.searchable.compass.search;<a name="line.16"></a>
<FONT color="green">017</FONT>    <a name="line.17"></a>
<FONT color="green">018</FONT>    import org.compass.core.CompassQuery;<a name="line.18"></a>
<FONT color="green">019</FONT>    import org.compass.core.CompassSession;<a name="line.19"></a>
<FONT color="green">020</FONT>    import org.compass.core.Compass;<a name="line.20"></a>
<FONT color="green">021</FONT>    import org.compass.core.CompassQueryBuilder;<a name="line.21"></a>
<FONT color="green">022</FONT>    import org.codehaus.groovy.grails.commons.GrailsApplication;<a name="line.22"></a>
<FONT color="green">023</FONT>    import org.codehaus.groovy.grails.commons.GrailsDomainClass;<a name="line.23"></a>
<FONT color="green">024</FONT>    import org.codehaus.groovy.grails.plugins.searchable.compass.mapping.CompassMappingUtils;<a name="line.24"></a>
<FONT color="green">025</FONT>    import org.codehaus.groovy.grails.plugins.searchable.SearchableUtils;<a name="line.25"></a>
<FONT color="green">026</FONT>    import org.apache.commons.logging.Log;<a name="line.26"></a>
<FONT color="green">027</FONT>    import org.apache.commons.logging.LogFactory;<a name="line.27"></a>
<FONT color="green">028</FONT>    <a name="line.28"></a>
<FONT color="green">029</FONT>    import java.util.*;<a name="line.29"></a>
<FONT color="green">030</FONT>    import java.io.Serializable;<a name="line.30"></a>
<FONT color="green">031</FONT>    import java.lang.reflect.Method;<a name="line.31"></a>
<FONT color="green">032</FONT>    <a name="line.32"></a>
<FONT color="green">033</FONT>    /**<a name="line.33"></a>
<FONT color="green">034</FONT>     * @author Maurice Nicholson<a name="line.34"></a>
<FONT color="green">035</FONT>     */<a name="line.35"></a>
<FONT color="green">036</FONT>    public class MoreLikeThisCompassQueryBuilder extends AbstractSearchableCompassQueryBuilder implements SearchableCompassQueryBuilder {<a name="line.36"></a>
<FONT color="green">037</FONT>        private static final Log LOG = LogFactory.getLog(MoreLikeThisCompassQueryBuilder.class);<a name="line.37"></a>
<FONT color="green">038</FONT>    <a name="line.38"></a>
<FONT color="green">039</FONT>        public MoreLikeThisCompassQueryBuilder(Compass compass) {<a name="line.39"></a>
<FONT color="green">040</FONT>            super(compass);<a name="line.40"></a>
<FONT color="green">041</FONT>        }<a name="line.41"></a>
<FONT color="green">042</FONT>    <a name="line.42"></a>
<FONT color="green">043</FONT>        public CompassQuery buildQuery(GrailsApplication grailsApplication, CompassSession compassSession, Map options, Object args) {<a name="line.43"></a>
<FONT color="green">044</FONT>            List argv = new ArrayList(Arrays.asList((Object[]) args));<a name="line.44"></a>
<FONT color="green">045</FONT>            // discard options Map from args<a name="line.45"></a>
<FONT color="green">046</FONT>            for (Iterator iter = argv.iterator(); iter.hasNext(); ) {<a name="line.46"></a>
<FONT color="green">047</FONT>                if (iter.next() instanceof Map) {<a name="line.47"></a>
<FONT color="green">048</FONT>                    iter.remove();<a name="line.48"></a>
<FONT color="green">049</FONT>                    break;<a name="line.49"></a>
<FONT color="green">050</FONT>                }<a name="line.50"></a>
<FONT color="green">051</FONT>            }<a name="line.51"></a>
<FONT color="green">052</FONT>            Object instance = null;<a name="line.52"></a>
<FONT color="green">053</FONT>            Collection domainClasses = SearchableUtils.getGrailsDomainClasses(grailsApplication);<a name="line.53"></a>
<FONT color="green">054</FONT>            for (Iterator iter = argv.iterator(); iter.hasNext(); ) {<a name="line.54"></a>
<FONT color="green">055</FONT>                Object obj = iter.next();<a name="line.55"></a>
<FONT color="green">056</FONT>                for (Iterator di = domainClasses.iterator(); di.hasNext(); ) {<a name="line.56"></a>
<FONT color="green">057</FONT>                    GrailsDomainClass gdc = (GrailsDomainClass) di.next();<a name="line.57"></a>
<FONT color="green">058</FONT>                    if (obj.getClass().equals(gdc.getClazz())) {<a name="line.58"></a>
<FONT color="green">059</FONT>                        instance = obj;<a name="line.59"></a>
<FONT color="green">060</FONT>                        break;<a name="line.60"></a>
<FONT color="green">061</FONT>                    }<a name="line.61"></a>
<FONT color="green">062</FONT>                }<a name="line.62"></a>
<FONT color="green">063</FONT>            }<a name="line.63"></a>
<FONT color="green">064</FONT>    <a name="line.64"></a>
<FONT color="green">065</FONT>            Serializable id;<a name="line.65"></a>
<FONT color="green">066</FONT>            String alias;<a name="line.66"></a>
<FONT color="green">067</FONT>            if (instance != null) {<a name="line.67"></a>
<FONT color="green">068</FONT>                Class clazz = instance.getClass();<a name="line.68"></a>
<FONT color="green">069</FONT>                alias = CompassMappingUtils.getMappingAlias(getCompass(), clazz);<a name="line.69"></a>
<FONT color="green">070</FONT>                id = SearchableUtils.getIdent(getCompass(), alias, instance);<a name="line.70"></a>
<FONT color="green">071</FONT>            } else {<a name="line.71"></a>
<FONT color="green">072</FONT>                Class clazz = (Class) options.get("class");<a name="line.72"></a>
<FONT color="green">073</FONT>                if (clazz == null &amp;&amp; options.containsKey("match")) {<a name="line.73"></a>
<FONT color="green">074</FONT>                    clazz = (Class) options.get("match");<a name="line.74"></a>
<FONT color="green">075</FONT>                }<a name="line.75"></a>
<FONT color="green">076</FONT>                alias = (String) options.get("alias");<a name="line.76"></a>
<FONT color="green">077</FONT>    <a name="line.77"></a>
<FONT color="green">078</FONT>                for (Iterator iter = argv.iterator(); iter.hasNext(); ) {<a name="line.78"></a>
<FONT color="green">079</FONT>                    Object it = iter.next();<a name="line.79"></a>
<FONT color="green">080</FONT>                    if (it instanceof Class) {<a name="line.80"></a>
<FONT color="green">081</FONT>                        clazz = (Class) it;<a name="line.81"></a>
<FONT color="green">082</FONT>                        alias = null; // override alias with class instance<a name="line.82"></a>
<FONT color="green">083</FONT>                        iter.remove();<a name="line.83"></a>
<FONT color="green">084</FONT>                        break;<a name="line.84"></a>
<FONT color="green">085</FONT>                    }<a name="line.85"></a>
<FONT color="green">086</FONT>                }<a name="line.86"></a>
<FONT color="green">087</FONT>                if (alias == null) {<a name="line.87"></a>
<FONT color="green">088</FONT>                    if (clazz != null) {<a name="line.88"></a>
<FONT color="green">089</FONT>                        alias = CompassMappingUtils.getMappingAlias(getCompass(), clazz);<a name="line.89"></a>
<FONT color="green">090</FONT>                    } else {<a name="line.90"></a>
<FONT color="green">091</FONT>                        throw new IllegalArgumentException("Neither class nor alias was provided for MoreLikeThis query builder: please provide one in either options (Map) or arguments (Object[])");<a name="line.91"></a>
<FONT color="green">092</FONT>                    }<a name="line.92"></a>
<FONT color="green">093</FONT>                }<a name="line.93"></a>
<FONT color="green">094</FONT>                id = (Serializable) options.get("id");<a name="line.94"></a>
<FONT color="green">095</FONT>                if (id == null) {<a name="line.95"></a>
<FONT color="green">096</FONT>                    if (!argv.isEmpty()) {<a name="line.96"></a>
<FONT color="green">097</FONT>                        id = (Serializable) argv.get(0);<a name="line.97"></a>
<FONT color="green">098</FONT>                    } else {<a name="line.98"></a>
<FONT color="green">099</FONT>                        throw new IllegalArgumentException("Unable to find id for MoreLikeThis query builder. Please provide one in either options (Map) or arguments (Object[])");<a name="line.99"></a>
<FONT color="green">100</FONT>                    }<a name="line.100"></a>
<FONT color="green">101</FONT>                }<a name="line.101"></a>
<FONT color="green">102</FONT>            }<a name="line.102"></a>
<FONT color="green">103</FONT>            CompassQueryBuilder.CompassMoreLikeThisQuery moreLikeThisQuery = compassSession.queryBuilder().moreLikeThis(alias, id);<a name="line.103"></a>
<FONT color="green">104</FONT>            if (options.size() &gt; 0) {<a name="line.104"></a>
<FONT color="green">105</FONT>                Method[] methods = CompassQueryBuilder.CompassMoreLikeThisQuery.class.getDeclaredMethods();<a name="line.105"></a>
<FONT color="green">106</FONT>                for (int i = 0; i &lt; methods.length; i++) {<a name="line.106"></a>
<FONT color="green">107</FONT>                    Method method = methods[i];<a name="line.107"></a>
<FONT color="green">108</FONT>                    String name = method.getName();<a name="line.108"></a>
<FONT color="green">109</FONT>                    if (!name.startsWith("set") || name.length() &lt; 4) {<a name="line.109"></a>
<FONT color="green">110</FONT>                        continue;<a name="line.110"></a>
<FONT color="green">111</FONT>                    }<a name="line.111"></a>
<FONT color="green">112</FONT>                    if (method.getParameterTypes().length != 1) {<a name="line.112"></a>
<FONT color="green">113</FONT>                        continue;<a name="line.113"></a>
<FONT color="green">114</FONT>                    }<a name="line.114"></a>
<FONT color="green">115</FONT>                    name = name.substring(3, 4).toLowerCase() + (name.length() &gt; 4 ? name.substring(4) : "");<a name="line.115"></a>
<FONT color="green">116</FONT>                    if (!options.containsKey(name)) {<a name="line.116"></a>
<FONT color="green">117</FONT>                        continue;<a name="line.117"></a>
<FONT color="green">118</FONT>                    }<a name="line.118"></a>
<FONT color="green">119</FONT>                    Object value = options.get(name);<a name="line.119"></a>
<FONT color="green">120</FONT>                    // convert List to String[]?<a name="line.120"></a>
<FONT color="green">121</FONT>                    if (method.getParameterTypes()[0].equals(String[].class) &amp;&amp; value instanceof List) {<a name="line.121"></a>
<FONT color="green">122</FONT>                        value = ((List) value).toArray(new String[((List) value).size()]);<a name="line.122"></a>
<FONT color="green">123</FONT>                    }<a name="line.123"></a>
<FONT color="green">124</FONT>                    try {<a name="line.124"></a>
<FONT color="green">125</FONT>                        method.invoke(moreLikeThisQuery, new Object[] {value});<a name="line.125"></a>
<FONT color="green">126</FONT>                    } catch (Exception ex) {<a name="line.126"></a>
<FONT color="green">127</FONT>                        LOG.warn("Failed to invoke method " + moreLikeThisQuery.getClass().getName() + "#" + method.getName() + " with value [" + value + "]", ex);<a name="line.127"></a>
<FONT color="green">128</FONT>                    }<a name="line.128"></a>
<FONT color="green">129</FONT>                }<a name="line.129"></a>
<FONT color="green">130</FONT>            }<a name="line.130"></a>
<FONT color="green">131</FONT>    <a name="line.131"></a>
<FONT color="green">132</FONT>            CompassQuery query = moreLikeThisQuery.toQuery();<a name="line.132"></a>
<FONT color="green">133</FONT>            options.remove("class"); // discard class option so it's not added as match alias in CompassQuery by option helper; todo change "class" option to "match: instead<a name="line.133"></a>
<FONT color="green">134</FONT>            options.put("class", options.get("match"));<a name="line.134"></a>
<FONT color="green">135</FONT>            query = applyOptions(grailsApplication, getCompass(), compassSession, query, options);<a name="line.135"></a>
<FONT color="green">136</FONT>    //        System.out.println("Query [" + query.toString() + "]");<a name="line.136"></a>
<FONT color="green">137</FONT>            return query;<a name="line.137"></a>
<FONT color="green">138</FONT>        }<a name="line.138"></a>
<FONT color="green">139</FONT>    }<a name="line.139"></a>




























































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